Ranger 2WD V6-3.0L (2008)
2. Disconnect the spark plug wires from the ignition coil by twisting while pulling upward.
3. Open the spark plug wire separators and remove the spark plug wires.
4. CAUTION: Correct installation of the spark plug wires is critical to vehicle operation. If one spark plug wire is not correctly installed on
the spark plug or ignition coil, both spark plugs connected to that segment of the ignition coil may not fire under load.
To install, reverse the removal procedure.
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Use a small, clean tool to coat the entire interior surface of the boots with silicone brake caliper grease.
